Filter diaphragm for a recessed plate-type filter, a diaphragm filter plate, a diaphragm filter plate assembly and a recessed plate-type filter
US-12447422-B2 · Oct 21, 2025 · US
Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates (B01D25/127, B01D25/172, B01D25/176, B01D25/19 take precedence)
Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates (B01D25/127, B01D25/172, B01D25/176, B01D25/19 take precedence) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D25/164 |
| Official title | Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates (B01D25/127, B01D25/172, B01D25/176, B01D25/19 take precedence) |
| Display label | Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates (B01D25/127, B01D25/172, B01D25/176, B01D25/19 take precedence) |
| Total patents | 57 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 9 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 12 |
| 2024 | 3 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter diaphragm for a horizontal plate and frame-type filter, such as a tower press
US-12434176-B2 · Oct 7, 2025 · US
Filter press and a filter plate compression and transport retrofitting kit for a filter press
US-12303808-B2 · May 20, 2025 · US
Filter press and washer for filter plate apparatus
US-12285706-B2 · Apr 29, 2025 · US
Plate detection apparatus for filter presses
US-2025099881-A1 · Mar 27, 2025 · US
Rejector cartridge
US-2024216837-A1 · Jul 4, 2024 · US
A filter plate assembly for a filter press, and such a filter press
US-2024109007-A1 · Apr 4, 2024 · US
Filtrate vat assembly for a filter press
US-2024033661-A1 · Feb 1, 2024 · US
Arrangement and method for controlling pressure filter
US-2023398472-A1 · Dec 14, 2023 · US
A grid and a vat for a filtrate vat assembly of a vertical filter press
US-2023364531-A1 · Nov 16, 2023 · US
Filter press adapter
US-2023219019-A1 · Jul 13, 2023 · US
A filter plate assembly for a horizontal plate and frame-type filter, such as a tower press, a filter plate and a vat liner
US-2023201746-A1 · Jun 29, 2023 · US
A filter plate for a horizontal plate and frame-type filter, such as a tower press
US-2023166202-A1 · Jun 1, 2023 · US
A filter diaphragm for a recessed plate -type filter, a diaphragm filter plate, a diaphragm filter plate assembly and a recessed plate -type filter
US-2023064222-A1 · Mar 2, 2023 · US
An outlet cover for a recessed plate-type filter, a filter plate, a filter plate assembly and a recessed plate-type filter
US-2023055796-A1 · Feb 23, 2023 · US
A sealing strip for sealing adjacent filter plate assemblies of a filter press, such as a tower press, a filter frame, a filter frame assembly and a filter apparatus
US-2023058248-A1 · Feb 23, 2023 · US
A filter plate frame assembly and a horizontal filter press, such as a tower press, having such a plate frame assembly
US-2023048289-A1 · Feb 16, 2023 · US
A filter diaphragm for a horizontal plate and frame-type filter, such as a tower press
US-2023043237-A1 · Feb 9, 2023 · US
A filter press and a filter plate compression and transport retrofitting kit for a filter press
US-2023032206-A1 · Feb 2, 2023 · US
A filter plate frame assembly, a horizontal filter press, such as a tower press, having such a plate frame assembly, and a method of replacing worn components of horizontal filter press
US-2023023076-A1 · Jan 26, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D25/164?
- CPC B01D25/164 is the Cooperative Patent Classification code for “Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates (B01D25/127, B01D25/172, B01D25/176, B01D25/19 take precedence).”
- How many patents are filed under CPC B01D25/164 (Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates (B01D25/127, B01D25/172, B01D25/176, B01D25/19 take precedence))?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC B01D25/164 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).